I really searched this topic a crap load back when I got my Z1 and I finally came across the perfect solution. Not only does it have the connection for the Pioneer iPod adapter, it has a connector for the 2.5mm a/v out and a sweet docking station. Check it out: http://www.diceelectronics.com/ipod_connections.htm
I had this working perfectly in my 04 F150 for months, until I f-ing updated my iPod Video software!!! It's because I had to be able to hit them menu button on the iPod to get back to the videos, but now while it is on the dock, it will not let you press any buttons. Before it
